D9-H CO2/RH/Temp. 3-in-1 Multifunctional Air Quality Detector Indoor/Outdoor CO2 Meter Temperature Humidity Monitor

Features 3 5 inch TFT HD Color Display real time display current time date CO2 temperature and relative humidity The screen has wide viewing angle that can reach 160° which is very easy to read Data Logging Function with up to 65 534 groups maximum storage management space convenient for browsing the historical data saved by the system Semiconductor Sensing Detection Technology monitoring air quality in your surrounding with highly accuracy real time detect CO2 temperature and relative humidity Simple Stylish Appearance the air quality monitor has small size and clean design perfect fit for house with any decorative style Free standing style no mounting required Wide Applications suitable for using in the car bedroom living room office classroom library etc Specifications Material ABSVoltage 5V 1ADetection Technique Semiconductor sensing technologyTest Function CO2 temperaturehumidityCO2 Test Range 400 4000ppmTemperature Test Range 9 55℃Humidity Test Range 0 100 Working Condition 9℃ 55℃ 90 RHAutomatic Shutdown Time Setting Range 10 1080 minutesBacklight Brightness Setting Range 10 100 DateTime Setting Users can set the current date and timeHistorical Data Settings Users can view historical data saved by the systemMaximum Storage Management Space 65 534pcsTiming Storage Settings 10 1080 minutesTiming Screen Switching Setting 10 600 secondsLanguage Setting Chinese English Korean Japanese RussianPower Supply 1 3 7V 3000mA L